the world > plants > particular plants > cultivated or valued plants > particular cultivated or ornamental plants > particular flower or plant esteemed for flower > [noun] > composite flowers > sunflower > allied flowers (2)
Chiefly with distinguishing word: any of various other plants of the family Asteraceae which have flower heads with yellow ray florets.
The botanical genus including the common sunflower (N.O. Compositæ); a plant of this genus.